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Master File Disclaimer - Deceased Suppression
Deceased Suppresion API

CDYNE Death Index API is a hosted, programmable Web Service that performs Deceased Suppression by validating social security numbers against the Social Security Administration’s Death Master File (DMF). Industries including the financial, insurance, security, and medical businesses, as well as Federal, State, and Local governments will benefit from integrating CDYNE Death Index API into their existing applications to verify identity and prevent identity fraud in real time.

The Death Index API is one of four fraud prevention Web Services provided by CDYNE. This service can be used in conjunction with Phone Verification, Phone Notify!, and Postal Address Verification.

  • Verify identity and prevent identity fraud in real time (Deceased Suppression)
  • Access over 86 million records of deaths that have been reported to the Social Security Administration
  • CDYNE Death Index will return the Social Security Number, name, date of birth, date of death, state or country of residence (February 1988 and prior), ZIP code of last residence, and ZIP code of lump sum payment and can be searched on those criteria


  • No expired transactions – CDYNE Web Services are post-pay *
  • Integrate social security number verification with existing business applications
  • No need to maintain and update a large database
  • Monthly updates are done automatically and come direct from the United States Social Security Administration


  • Integrates with your website, database, or system using SOAP (Simple Object Access Protocol) or REST (Representational State Transfer) protocols
  • Test CDYNE Death Index for free by requesting a trial license key by calling 1-800-984-3710, inquire or initiate a chat


  • 100% Service Level Agreement
  • Fully redundant with location fail-over
  • HTTPS protocol encrypts transactions sent to and from CDYNE Web Services
  • CDYNE's data centers are engineered with multiple levels of security, uninterruptible power supplies (UPS), redundant HVAC systems, and fire suppression, as well as 24 X 7 monitoring and management
Purchase The Death Index Service

* Pricing for all CDYNE Web Services is based off a set monthly maintenance fee and a per-transaction fee. CDYNE does not require a contract and there are no start-up or cancellation fees. Your credit card will not be charged until one month from sign-up date and will be billed monthly thereafter unless you deactivate or cancel services.
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